Ports the TG style Jani Cart.

code/game/objects/items/devices/lightreplacer.dm

@@ -188,6 +188,11 @@
 
 //Can you use it?
 
+/obj/item/device/lightreplacer/proc/janicart_insert(mob/user, obj/structure/janitorialcart/J)
+	J.put_in_cart(src, user)
+	J.myreplacer = src
+	J.update_icon()
+
 /obj/item/device/lightreplacer/proc/CanUse(var/mob/living/user)
 	src.add_fingerprint(user)
 	//Not sure what else to check for. Maybe if clumsy?

code/game/objects/items/weapons/mop.dm

@@ -53,4 +53,9 @@ obj/item/weapon/mop/proc/clean(turf/simulated/A as turf)
 		spawn(5)
 			reagents.clear_reagents()
 			mopcount = 0
-	return
+	return
+
+/obj/item/weapon/mop/proc/janicart_insert(mob/user, obj/structure/janitorialcart/J)
+	J.put_in_cart(src, user)
+	J.mymop=src
+	J.update_icon()

code/game/objects/items/weapons/storage/bags.dm

@@ -47,6 +47,11 @@
 		icon_state = "trashbag2"
 	else icon_state = "trashbag3"
 
+/obj/item/weapon/storage/bag/trash/proc/janicart_insert(mob/user, obj/structure/janitorialcart/J)
+	J.put_in_cart(src, user)
+	J.mybag=src
+	J.update_icon()
+
 
 // -----------------------------
 //        Plastic Bag